On Tue, Jul 16, 2019 at 03:50:10PM +0200, Peter Zijlstra wrote: > > Could well be, I'm not much familiar with this code; I'll look more > careful. My patch is broken anyway. We can't just switch pd structures as the code relies on going to exactly the same CPU on the starting pd to ensure ordering. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt